<?php
if (!defined('sugarEntry') || !sugarEntry) {
    die('Not A Valid Entry Point');
}
/**
 *
 * SugarCRM Community Edition is a customer relationship management program developed by
 * SugarCRM, Inc. Copyright (C) 2004-2013 SugarCRM Inc.
 *
 * SuiteCRM is an extension to SugarCRM Community Edition developed by SalesAgility Ltd.
 * Copyright (C) 2011 - 2018 SalesAgility Ltd.
 *
 * This program is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Affero General Public License version 3 as published by the
 * Free Software Foundation with the addition of the following permission added
 * to Section 15 as permitted in Section 7(a): FOR ANY PART OF THE COVERED WORK
 * IN WHICH THE COPYRIGHT IS OWNED BY SUGARCRM, SUGARCRM DISCLAIMS THE WARRANTY
 * OF NON INFRINGEMENT OF THIRD PARTY RIGHTS.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more
 * details.
 *
 * You should have received a copy of the GNU Affero General Public License along with
 * this program; if not, see http://www.gnu.org/licenses or write to the Free
 * Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301 USA.
 *
 * You can contact SugarCRM, Inc. headquarters at 10050 North Wolfe Road,
 * SW2-130, Cupertino, CA 95014, USA. or at email address contact@sugarcrm.com.
 *
 * The interactive user interfaces in modified source and object code versions
 * of this program must display Appropriate Legal Notices, as required under
 * Section 5 of the GNU Affero General Public License version 3.
 *
 * In accordance with Section 7(b) of the GNU Affero General Public License version 3,
 * these Appropriate Legal Notices must retain the display of the "Powered by
 * SugarCRM" logo and "Supercharged by SuiteCRM" logo. If the display of the logos is not
 * reasonably feasible for technical reasons, the Appropriate Legal Notices must
 * display the words "Powered by SugarCRM" and "Supercharged by SuiteCRM".
 */


// Singleton to load sprites metadata from SugarTheme

class SugarSprites
{
    private static $instance;
    public $sprites = array();
    public $dirs = array();

    private function __construct()
    {
        // load default sprites
        $this->dirs['default'] = true;
        $this->loadMetaHelper('default', 'sprites');
        // load repeatable sprites
        //$this->dirs['Repeatable'] = true;
        //$this->loadMetaHelper('Repeatable','sprites');
    }

    public static function getInstance()
    {
        if (!self::$instance) {
            self::$instance = new self();
        }
        return self::$instance;
    }

    public function loadSpriteMeta($dir)
    {
        if (! isset($this->dirs[$dir])) {
            $this->loadMetaHelper($dir, 'sprites');
            $this->dirs[$dir] = true;
        }
    }

    private function loadMetaHelper($dir, $file)
    {
        if (file_exists("cache/sprites/{$dir}/{$file}.meta.php")) {
            $sprites = array();
            $GLOBALS['log']->debug("Sprites: Loading sprites metadata for $dir");
            include("cache/sprites/{$dir}/{$file}.meta.php");
            foreach ($sprites as $id => $meta) {
                $this->sprites[$id] = $meta;
            }
        }
    }
}
